The requirement is for 11 EA of NSN 7R-4810-015308060-QE, reference 18-8200-2, delivered FOB origin; early and incremental deliveries are accepted. Contractual documents are considered issued when mailed, faxed, or sent electronically, and the Government’s acceptance of a contractor proposal constitutes bilateral agreement to that issuance process. Specifications, standards, QPLs/QPDs, handbooks, and related documents are available through DODSSP/DAPS in Philadelphia, PA, with most available via ASSIST-Online; patterns, drawings, deviation lists, and purchase descriptions are not stocked there. The Government intends to solicit and negotiate with only one source under FAR 6.302-1, though responsible sources may identify interest and capability or submit proposals. This notice is not a request for competitive proposals, FAR Part 12 commercial-item policies are not being used, and interested parties may identify commercial-item interest and capability to the contracting officer.